28709676

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 75950784

約数和(自身を除く): 47241108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 53, 82, 106, 123, 159, 164, 212, 246, 318, 367, 369, 477, 492, 636, 734, 738, 954, 1101, 1468, 1476, 1908, 2173, 2202, 3303, 4346, 4404, 6519, 6606, 8692, 13038, 13212, 15047, 19451, 19557, 26076, 30094, 38902, 39114, 45141, 58353, 60188, 77804, 78228, 90282, 116706, 135423, 175059, 180564, 233412, 270846, 350118, 541692, 700236, 797491, 1594982, 2392473, 3189964, 4784946, 7177419, 9569892, 14354838, 28709676]

約数ペア:

[(1, 28709676), (2, 14354838), (3, 9569892), (4, 7177419), (6, 4784946), (9, 3189964), (12, 2392473), (18, 1594982), (36, 797491), (41, 700236), (53, 541692), (82, 350118), (106, 270846), (123, 233412), (159, 180564), (164, 175059), (212, 135423), (246, 116706), (318, 90282), (367, 78228), (369, 77804), (477, 60188), (492, 58353), (636, 45141), (734, 39114), (738, 38902), (954, 30094), (1101, 26076), (1468, 19557), (1476, 19451), (1908, 15047), (2173, 13212), (2202, 13038), (3303, 8692), (4346, 6606), (4404, 6519)]